81314055

素因数分解:

$3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2819}}^1$

素因数の和:3471

約数の個数: 24

約数和(自身を含む): 141214320

約数和(自身を除く): 59900265

約数列:

[1, 3, 5, 9, 15, 45, 641, 1923, 2819, 3205, 5769, 8457, 9615, 14095, 25371, 28845, 42285, 126855, 1806979, 5420937, 9034895, 16262811, 27104685, 81314055]

約数ペア:

[(1, 81314055), (3, 27104685), (5, 16262811), (9, 9034895), (15, 5420937), (45, 1806979), (641, 126855), (1923, 42285), (2819, 28845), (3205, 25371), (5769, 14095), (8457, 9615)]